X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Falsa%2Fprotocol.h;h=e844bc740afabed26327654f0deb0c25b5ac5bce;hb=be60a9e4a97ab68a140511afca83db1f202e7a0e;hp=61aafb384cb1e58835fac50a5c6c2f2862126aca;hpb=6944b2d02f23cf562574d3d1b37a2d698bdbde4e;p=libsigrok.git

diff --git a/hardware/alsa/protocol.h b/hardware/alsa/protocol.h
index 61aafb38..e844bc74 100644
--- a/hardware/alsa/protocol.h
+++ b/hardware/alsa/protocol.h
@@ -23,20 +23,19 @@
 #ifndef LIBSIGROK_HARDWARE_ALSA_PROTOCOL_H
 #define LIBSIGROK_HARDWARE_ALSA_PROTOCOL_H
 
+#include <stdint.h>
+#include <alsa/asoundlib.h>
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 
-#include <alsa/asoundlib.h>
-#include <stdint.h>
-
-/* Message logging helpers with driver-specific prefix string. */
-#define DRIVER_LOG_DOMAIN "alsa: "
-#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
-#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "alsa: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
 
 /** Private, per-device-instance driver context. */
 struct dev_context {
@@ -44,15 +43,17 @@ struct dev_context {
 	uint64_t limit_samples;
 	uint64_t num_samples;
 	uint8_t num_probes;
-	const char *hwdev;
+	uint64_t *samplerates;
+	char *hwdev;
 	snd_pcm_t *capture_handle;
 	snd_pcm_hw_params_t *hw_params;
 	struct pollfd *ufds;
 	void *cb_data;
 };
-SR_PRIV GSList *alsa_scan(GSList *options, struct sr_dev_driver *di);
-SR_PRIV void alsa_dev_inst_clear(struct sr_dev_inst *sdi);
 
+SR_PRIV GSList *alsa_scan(GSList *options, struct sr_dev_driver *di);
+SR_PRIV int alsa_set_samplerate(const struct sr_dev_inst *sdi,
+				uint64_t newrate);
 SR_PRIV int alsa_receive_data(int fd, int revents, void *cb_data);
 
-#endif /* LIBSIGROK_HARDWARE_ALSA_PROTOCOL_H */
+#endif